package com.ellison.springdemo.springbase.mvc;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;

/**
 * mvc 自定义拦截器
 *
 * @author Ellison_Pei
 * @date 2022/3/10 19:04
 * @since 1.0
 **/
public class UserInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        // 这里可以做权限校验
        System.out.println("调用到自己定义的拦截器============UserInterceptor -> preHandle ============================");
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("调用到自己定义的拦截器============UserInterceptor -> postHandle ============================");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("调用到自己定义的拦截器============UserInterceptor -> afterCompletion ============================");
    }
}
